Home / 101,574,139.80-152,361,209.70-70,963,138.20

Finding the Fourth Proportional to 101,574,139.80, 152,361,209.70 and 70,963,138.20

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Solution

The fourth proportional to 101,574,139.80, 152,361,209.70 and 70,963,138.20 is: 106,444,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,574,139.80 : 152,361,209.70 = 70,963,138.20 : x
  2. Step 2: Convert to fraction form
    101,574,139.80/152,361,209.70 = 70,963,138.20/x
  3. Step 3: Cross multiply
    101,574,139.80x = 152,361,209.70 × 70,963,138.20
  4. Step 4: Simplify right side
    101,574,139.80x = 10,812,029,580,260,280
  5. Step 5: Solve for x
    x = 10,812,029,580,260,280/101,574,139.80
  6. Step 6: Final answer
    x = 106,444,707.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.